Nepean Bay Weather Forecast

    • 8
    • 21

    Cloudy

    • 11
    • 23

    Cloudy

    • 8
    • 22

    Partly cloudy

    • 8
    • 19

    Cloudy

    • 8
    • 21

    Partly cloudy

    • 11
    • 24

    Showers

    • 13
    • 28

    Mostly sunny

Today 17 Nov Kangaroo Island

Cloudy. Winds west to southwesterly 15 to 25 km/h.

Investigator Strait Coastal Waters

Wind
Southwesterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Cloudy.
Weather Situation
A ridge of high pressure lies over the north and west directing a broad southwest to southerly flow across SA waters. Troughs are forecast to pass over the southeast Tuesday and Wednesday. The flow will turn south to southeasterly through the week as the ridge moves southeast on Thursday to be south of the state on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

November Temperature

Kingscote Airport (7km)

  • Lowest 12 November, 2025

    0.2 °C

  • Average November

    13.8 °C

  • Highest 13 November, 2025

    24.5 °C

Climate (2020–Present)

Kingscote Airport (7km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21.1 °C
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